Annals of the six Kings of England by Nicholas Trivet

Translation of the Annals of the Six Kings of England by that traces the rise and rule of the Angevin aka Plantagenet dynasty from the mid-12th to early 14th century. Written by the Dominican scholar Nicholas Trivet, the work offers a vivid account of English history from the reign of King Stephen through to the death of King Edward I, blending political narrative with moral reflection. Covering the reigns of six monarchs—from Stephen to Edward I—the chronicle explores royal authority, rebellion, war, and the shifting balance between crown, church, and nobility. Trivet provides detailed insight into defining moments such as baronial conflicts, Anglo-French rivalry, and the consolidation of royal power under Edward I, whose reign he describes with particular immediacy. The Annals combines careful year-by-year reporting with thoughtful interpretation, presenting history not merely as a sequence of events but as a moral and political lesson. Ideal for readers interested in medieval history, kingship, and the origins of the English state, this chronicle remains a valuable and accessible window into the turbulent world of the Plantagenet kings.

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COI 37.5% and Higher

COI 37.5% and Higher is in Coefficient of Inbreeding.

COI 37.5% and Higher. Diagram of a Brother and Sister Relationship with a COI of 37.5%.

In 69BC Cleopatra VII Philopator 69BC 30BC was born to Ptolemy XII Auletes Pharoah of Egypt 117BC 51BC (age 48) and Cleopatra V Tryphaena 57BC. Coefficient of inbreeding 47.27%. She married (1) October 50BC Ptolemy XIII Theos Philopator 61BC 47BC (2) after 13th January 47BC Ptolemy XIV Philopator 59BC 44BC.

Around 117BC Ptolemy XII Auletes Pharoah of Egypt 117BC 51BC was born to Ptolemy IX Soter 142BC 81BC (age 25) and Cleopatra IV 138BC 112BC (age 21). The identity of his mother is subject to debate. Some sources refer to him as illegitimate. Coefficient of inbreeding 44.16%. He married before 69BC his niece Cleopatra V Tryphaena 57BC and had issue.

In 115BC or 114BC Berenice III 115BC 80BC was born to Ptolemy IX Soter 142BC 81BC (age 27) and Cleopatra Selene of Syria 135BC 130BC (age 20). Coefficient of inbreeding 44.16%.

Cleopatra V Tryphaena 57BC was born to Ptolemy X Alexander I 140BC 88BC and Berenice III 115BC 80BC. Coefficient of inbreeding 44.16%. She married before 69BC her uncle Ptolemy XII Auletes Pharoah of Egypt 117BC 51BC and had issue.

COI 37.5% and Higher. If a man has a daughter, then has a daughter with that daughter, then has a child with that daughter the child will have a COI of 37.5. Similarly if a brother and sister have a son and a daughter and they have a child, the child will have a coefficient of inbreeding of 37.5%.